diff --git a/ChangeLog b/ChangeLog
index 8a832d41d..30dd4798f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-01-08  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* config.h.in (_LARGEFILE_SOURCE): Add missing define.
+	(_FILE_OFFSET_BITS): Likewise.
+	Reported by: Seth Goldberg.
+
 2011-01-08  Grégoire Sutre  <gregoire.sutre@gmail.com>
 
 	* configure.ac: Check for libdevmapper header.
diff --git a/config.h.in b/config.h.in
index 6d7d95dec..3974ad7d5 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1,3 +1,7 @@
+#undef _LARGEFILE_SOURCE
+#undef _FILE_OFFSET_BITS
+#define _LARGEFILE_SOURCE
+#define _FILE_OFFSET_BITS 64
 #if defined (GRUB_UTIL) || !defined (GRUB_MACHINE)
 #include <config-util.h>
 #define NESTED_FUNC_ATTR